BS PD IEC/TS 62580-2:2016, which is a Technical Specification, specifies the on-board videosurveillance/CCTV system functionality and requirement for the purpose of interoperabilitybetween components of on-board video surveillance/CCTV systems in the same vehicle andsubsystems in different vehicles of the same train, which means two levels of interoperabilityare considered, one is interoperability between components and another is betweensubsystems.This specification gives guidelines for:
- system breakdown structure of the on-board video surveillance/CCTV system;
- function breakdown structure of the on-board video surveillance/CCTV system, and
- requirement of the on-board video surveillance/CCTV system.
This specification is applicable to any type of train, for example open trains, multiple unittrains and closed trains.As illustrated in Figure 1, this part of IEC 62580 provides video surveillance/CCTV services ofmonitoring, recording and retrieval of data, etc. This specification follows the general OMTSrequirement defined in IEC 62580-1. The communication network of on-board videosurveillance/CCTV system is based on the network defined by the IEC 61375 series, in whichIEC 61375-2-5 and IEC 61375-3-4 define communication between and within consists,respectively, IEC 61375-2-3 lays out the communication profile for the backbone which isused for the train coupling, and IEC 61375-2-61 provides the support for the communicationbetween on-board system and ground wayside infrastructures. The general systemrequirement of on-board video surveillance/CCTV system is developed based on IEC 62676series with supplementing the special requirement for railway application. For interoperabilityimplementation between components of system and subsystems, this specification makesreference to IEC 62676-2-3, which specifies a compliant IP video protocol and interface basedon Web services. Special requirements for railway, such as device discovery betweenconsists and within a consist, as well as network compliant to the IEC 61375 series are alsodefined here. In addition, IEC 62676-4 gives recommendations and requirements for theselection, planning, installation, commissioning, maintaining and testing for use in securityapplications. Finally, the requirement of exported data of on-board video surveillance/CCTVsystem is compliant with ISO 22311 if system is for security purpose.
Cross References:IEC 61375IEC 61375-2-3:2015IEC 61375-2-5IEC 61375-2-6 IEC 61375-3-4IEC 62580-1:2015IEC 62676-1-1:2013IEC 62676-1-2:2013IEC 62676-2IEC 62676-2-3:2013ISO 22311IEEE 802.1QRFC 2326RFC 3016RFC 3550RFC 3551RFC 3984 IEC 61375-1IEC TS 61375-2-4IEC 62498-1IEC 62580IEC 62676-2-1IEC 62676-2-2IEC 62676-4ISO 14496-2ISO/IEC 10918-1ISO/IEC 14496-10ISO/IEC 14496-14ISO/IEC 23000-10ITU-T G.711ITU T H.264ITU-T T.81ITU-T T.83
